/* .logo{
    width: 55px;
    height: 53px;
    background-image:url(images/logo.png);
    background-size:100% 100%;

    @media screen {
        @media (-webkit-min-device-pixel-ratio:2), (min-device-pixel-ratio:2){
            background-image: url(images/logo@2x.png);
            background-size:100% 100%;
        }

        @media (-webkit-min-device-pixel-ratio:3), (min-device-pixel-ratio:3){
            background-image: url(images/logo@3x.png);
            background-size:100% 100%;
        }
    }
} */

.logo {
  width: 55px;
  height: 53px;
  background-image: url("images/logo.png");
  background-size: 55px 53px;
}
@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (min-device-pixel-ratio: 2) {
  .logo {
    background-image: url("images/logo@2x.png");
    background-size: 55px 53px;
  }
}
@media screen and (-webkit-min-device-pixel-ratio: 3), screen and (min-device-pixel-ratio: 3) {
  .logo {
    background-image: url("images/logo@3x.png");
    background-size: 55px 53px;
  }
}
